Question # 1

The isotopes C-12 is present in abundance of:

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96.6%

97.6%

99.7%

None of these

A binary solution consists of:

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One component

Two components

Three components

Many components

In a discharge tube, the pressure of a gas is kept at

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10-2 atm

10-4 atm

10-6 atm

10-8 atm

________________ orbital is more complex in shape.

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s

p

f

d

The symbol of sodium is :

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Sa

Na

Pa

Ca

In ionic bond complete ________________ of electrons occurs.

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Paring

Sharing

Transfer

None

T (K) =

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(T) °C + 273

(T) °C -273

(T) °C + 373

(T) °C -373

The amount of energy given out when an electron is added to any atom is called:

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lattice energy

ionization energy

electronegative

electron affinity

Mobility is property of ____________

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Liquid

Gases

A & b

Nil

The branch of chemistry which deals with inter conversion of electrical & chemical energy is:

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Biochemistry

Electrochemistry

Organic chemistry

None of these

Bucky molecules have ________________ c-atoms.

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20-60

20-90

40-60

40-100

Diamonds exists in ____________ form.

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Cubic

Linear

Circular

Nil

Which one is a solution?

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Carbonated drinks

Sugar

Benzene

Vineger

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